123030333231 has 16 divisors (see below), whose sum is σ = 177045527904. Its totient is φ = 75545293824.

The previous prime is 123030333203. The next prime is 123030333253. The reversal of 123030333231 is 132333030321.

It is not a de Polignac number, because 123030333231 - 2¹⁰ = 123030332207 is a prime.

It is a super-2 number, since 2×123030333231² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123030333731) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3433626 + ... + 3469271.

It is an arithmetic number, because the mean of its divisors is an integer number (11065345494).

Almost surely, 2^123030333231 is an apocalyptic number.

123030333231 is a deficient number, since it is larger than the sum of its proper divisors (54015194673).

123030333231 is a wasteful number, since it uses less digits than its factorization.

123030333231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6903370.

The product of its (nonzero) digits is 2916, while the sum is 24.

Adding to 123030333231 its reverse (132333030321), we get a palindrome (255363363552).

The spelling of 123030333231 in words is "one hundred twenty-three billion, thirty million, three hundred thirty-three thousand, two hundred thirty-one".